When Words Are Represented in Memory Like Pictures: Evidence for Spatial Encoding of Study Materials

Area of Science:

• Cognitive Psychology
• Educational Technology
• Memory Studies

Background:

• Understanding how different visual representations are encoded in memory is crucial for effective learning.
• Previous research has explored verbal and spatial memory but has not fully elucidated their interaction with diverse study materials.

Purpose of the Study:

• To investigate whether distinct visual displays (text, outline, graphic organizer, concept map) are represented differently in memory.
• To examine the interplay between the format of study materials and concurrent verbal or spatial tasks.

Main Methods:

• Undergraduate students studied information presented as text, an outline, a graphic organizer, or a concept map.
• Participants then completed a concurrent task involving either a verbal (digits) or spatial (dots) display.
• Comprehension of the study material and recognition of the concurrent task display were assessed.

Main Results:

• Comprehension of graphic organizers and concept maps interfered with the spatial concurrent task, and vice versa.
• Comprehension of texts and outlines interfered with the verbal concurrent task.
• This suggests differential memory encoding based on the display format.

Conclusions:

• The findings support the conjoint retention hypothesis.
• Spatial encoding appears to underlie the benefits of using graphic organizers and concept maps for learning.
• Different learning materials engage distinct memory systems, influencing cognitive load and performance.